About Chalais
Chalais is a Swiss municipality located in the canton of Valais (VS), at 46.264° latitude and 7.516° longitude. The municipality is part of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Also known as Chalais, Chalais benefits from precise weather monitoring with hourly and 15-day forecasts.
Climate of Chalais
The climate in Chalais is characteristic of the Valais Alps, dry continental climate, among the sunniest in Switzerland. Temperatures, precipitation and wind conditions vary throughout the year with local features linked to altitude and surrounding terrain. Our data comes from official weather stations and real-time Netatmo sensors for Chalais and neighboring municipalities.
On this page you will find the detailed weather forecast for Chalais: current temperature, 48-hour hourly forecast, 15-day forecast, air quality, UV index, wind, precipitation and weather alerts. Updated hourly.
Climate of Chalais: 1991–2020 normals
In Chalais (610 m), the mean annual temperature is 10.8 °C. The warmest month is July (19.5 °C on average) and the coldest January (2.6 °C). About 681 mm of precipitation falls per year, peaking in December (78 mm) with a minimum in September (41 mm). The sun shines for about 2137 hours a year, mostly in July (269 h). On average there are 90 frost days and 21 hot days (≥ 30 °C) per year. The mean monthly maximum reaches 31.7 °C and the absolute minimum −7.9 °C.
Mean monthly precipitation (mm) — bar height relative to the wettest month.
| Month | Mean T | Abs. max | Abs. min | Precip. (mm) | Sunshine (h) | Frost days | Summer days |
|---|---|---|---|---|---|---|---|
| Jan | 2.6 °C | 13.0 °C | −7.9 °C | 68 | 90 | 24 | 0 |
| Feb | 2.9 °C | 14.4 °C | −7.9 °C | 56 | 130 | 20 | 0 |
| Mar | 6.3 °C | 18.4 °C | −4.8 °C | 47 | 188 | 9 | 0 |
| Apr | 9.8 °C | 22.1 °C | −1.2 °C | 42 | 209 | 1 | 2 |
| May | 13.9 °C | 26.6 °C | 3.6 °C | 62 | 225 | 0 | 8 |
| Jun | 17.6 °C | 30.5 °C | 7.0 °C | 57 | 251 | 0 | 17 |
| Jul | 19.5 °C | 31.7 °C | 9.5 °C | 62 | 269 | 0 | 22 |
| Aug | 19.3 °C | 31.3 °C | 8.8 °C | 66 | 248 | 0 | 20 |
| Sep | 15.4 °C | 26.6 °C | 5.6 °C | 41 | 208 | 0 | 7 |
| Oct | 11.6 °C | 23.0 °C | 1.6 °C | 47 | 159 | 2 | 0 |
| Nov | 6.6 °C | 18.1 °C | −3.6 °C | 55 | 94 | 11 | 0 |
| Dec | 3.5 °C | 13.8 °C | −6.9 °C | 78 | 66 | 23 | 0 |
| Year | 10.8 °C | 31.7 °C | −7.9 °C | 681 | 2137 | 90 | 77 |
Source: MeteoSwiss open data (1991–2020 normals) — stations Montana (6 km, 1423 m), Sion (15 km, 482 m), Evolène / Villa (17 km, 1825 m), adjusted to the elevation of Chalais (610 m) using a 0.55 °C/100 m lapse rate. Indicative, rounded values.
Nearby cities
Check the weather of cities near Chalais:
- Weather Chippis
- Weather Grône
- Weather Crans-Montana
- Weather Anniviers
- Weather Sierre
- Weather Noble-Contrée
- Weather Lens
- Weather Saint-Léonard
- Weather Salgesch
- Weather Ayent
- Weather Mont-Noble
- Weather Vex
→ Nearby cities · Canton Valais
⛷️ Ski resorts in this municipality: Vercorin
Frequently asked questions about weather in Chalais
What is the weather in Chalais today?
At the top of the page you will find the current temperature, precipitation and wind in Chalais, updated in real time.
What is the 15-day forecast for Chalais?
The "15-day forecast" section shows min/max temperatures, precipitation and wind expected for the next 15 days in Chalais.
Will it rain tomorrow in Chalais?
Check the 48-hour hourly forecast to see exactly when precipitation is expected in Chalais.
What is the air quality in Chalais?
The air quality section displays the AQI index and PM2.5, PM10 and ozone concentrations measured near Chalais.
Are there weather alerts for Chalais?
Weather alerts (storms, high winds, extreme temperatures) are shown as a banner at the top of the page when active.
At what altitude is Chalais located?
Chalais sits at around 610 m above sea level in the canton of Valais. This elevation directly affects the temperatures, rain-snow line and snow cover shown in the forecasts.
What is the warmest month in Chalais?
The warmest month in Chalais is July, averaging 19.5 °C (1991–2020 normal). The coldest is January at 2.6 °C.
How much does it rain in Chalais per year?
Chalais receives about 681 mm of precipitation a year. The wettest month is December (78 mm), the driest September (41 mm).
When is the best time to visit Chalais?
For warmth and sunshine: July (19.5 °C on average, 269 h of sun). The coldest month is January (2.6 °C). Check the 15-day forecast above for your dates.